8073397 has 4 divisors (see below), whose sum is σ = 8351820. Its totient is φ = 7794976.

The previous prime is 8073389. The next prime is 8073413. The reversal of 8073397 is 7933708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 3709476 = 2089^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 8073397 - 2³ = 8073389 is a prime.

It is a Duffinian number.

8073397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139168 + ... + 139225.

It is an arithmetic number, because the mean of its divisors is an integer number (2087955).

Almost surely, 2^8073397 is an apocalyptic number.

It is an amenable number.

8073397 is a deficient number, since it is larger than the sum of its proper divisors (278423).

8073397 is a wasteful number, since it uses less digits than its factorization.

8073397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278422.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 8073397 is about 2841.3723796785. The cubic root of 8073397 is about 200.6097806152.

The spelling of 8073397 in words is "eight million, seventy-three thousand, three hundred ninety-seven".